【摘 要】
：
采用固相法制备了LiCaBO3∶Dy3＋发光材料. 材料的发射光谱为一多峰宽谱, 主峰分别为484、577和668nm; 监测577nm发射峰, 对应的激发光谱为一主峰位于331、368、397、433、462
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采用固相法制备了LiCaBO3∶Dy3＋发光材料. 材料的发射光谱为一多峰宽谱, 主峰分别为484、577和668nm; 监测577nm发射峰, 对应的激发光谱为一主峰位于331、368、397、433、462和478nm的宽谱. 研究了Dy3＋浓度对材料发射光谱及发光强度的影响, 结果随Dy3＋浓度的增大, 材料的黄、蓝发射峰强度比（Y/B）逐渐增大; 同时, 发光强度呈现先增大后减小的趋势, 最大值对应的Dy3＋浓度为3.00mol%, 其浓度猝灭机理为电偶极电偶极相互作用. 引入Li＋、Na＋或K＋
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